20332101021 has 8 divisors (see below), whose sum is σ = 27111379680. Its totient is φ = 13553778192.

The previous prime is 20332101019. The next prime is 20332101071. The reversal of 20332101021 is 12010123302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20332101021 - 2¹ = 20332101019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332101071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187755 + ... + 275528.

It is an arithmetic number, because the mean of its divisors is an integer number (3388922460).

Almost surely, 2^20332101021 is an apocalyptic number.

It is an amenable number.

20332101021 is a deficient number, since it is larger than the sum of its proper divisors (6779278659).

20332101021 is a wasteful number, since it uses less digits than its factorization.

20332101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477915.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20332101021 its reverse (12010123302), we get a palindrome (32342224323).

The spelling of 20332101021 in words is "twenty billion, three hundred thirty-two million, one hundred one thousand, twenty-one".